diff --git a/DrissionPage/__init__.py b/DrissionPage/__init__.py
index cd53866..a8db515 100644
--- a/DrissionPage/__init__.py
+++ b/DrissionPage/__init__.py
@@ -14,4 +14,4 @@ from ._pages.chromium_page import ChromiumPage
 from ._pages.mix_page import MixPage
 from ._pages.mix_page import MixPage as WebPage
 
-__version__ = '4.1.0.0b12'
+__version__ = '4.1.0.0b13'
diff --git a/DrissionPage/_base/base.py b/DrissionPage/_base/base.py
index 8fa9a7c..32fb08e 100644
--- a/DrissionPage/_base/base.py
+++ b/DrissionPage/_base/base.py
@@ -136,10 +136,11 @@ class DrissionElement(BaseElement):
                                                                    for x in self.eles('xpath:./text() | *')]
         return [format_html(x.strip(' ').rstrip('\n')) for x in texts if x and sub('[\r\n\t ]', '', x) != '']
 
-    def parent(self, level_or_loc=1, index=1):
+    def parent(self, level_or_loc=1, index=1, timeout=None):
         """返回上面某一级父元素，可指定层数或用查询语法定位
         :param level_or_loc: 第几级父元素，1开始，或定位符
         :param index: 当level_or_loc传入定位符，使用此参数选择第几个结果，1开始
+        :param timeout: 时间（秒）
         :return: 上级元素对象
         """
         if isinstance(level_or_loc, int):
@@ -154,7 +155,7 @@ class DrissionElement(BaseElement):
         else:
             raise TypeError('level_or_loc参数只能是tuple、int或str。')
 
-        return self._ele(loc, timeout=0, relative=True, raise_err=False, method='parent()')
+        return self._ele(loc, timeout=timeout, relative=True, raise_err=False, method='parent()')
 
     def child(self, locator='', index=1, timeout=None, ele_only=True):
         """返回直接子元素元素或节点组成的列表，可用查询语法筛选
diff --git a/DrissionPage/_base/base.pyi b/DrissionPage/_base/base.pyi
index 39cd123..05eb3e1 100644
--- a/DrissionPage/_base/base.pyi
+++ b/DrissionPage/_base/base.pyi
@@ -13,9 +13,10 @@ from DownloadKit import DownloadKit
 from .._elements.none_element import NoneElement
 from .._elements.session_element import SessionElement
 from .._functions.elements import SessionElementsList
+from .._pages.chromium_frame import ChromiumFrame
 from .._pages.chromium_page import ChromiumPage
-from .._pages.session_page import SessionPage
 from .._pages.mix_page import MixPage
+from .._pages.session_page import SessionPage
 
 
 class BaseParser(object):
@@ -82,6 +83,8 @@ class BaseElement(BaseParser):
 
     def nexts(self): ...
 
+    def get_frame(self, loc_or_ind, timeout=None) -> ChromiumFrame: ...
+
 
 class DrissionElement(BaseElement):
 
@@ -103,7 +106,8 @@ class DrissionElement(BaseElement):
 
     def parent(self,
                level_or_loc: Union[tuple, str, int] = 1,
-               index: int = 1) -> Union[DrissionElement, None]: ...
+               index: int = 1,
+               timeout: float = None) -> Union[DrissionElement, None]: ...
 
     def child(self,
               locator: Union[Tuple[str, str], str, int] = '',
diff --git a/DrissionPage/_elements/chromium_element.py b/DrissionPage/_elements/chromium_element.py
index 539a028..810d1df 100644
--- a/DrissionPage/_elements/chromium_element.py
+++ b/DrissionPage/_elements/chromium_element.py
@@ -232,13 +232,14 @@ class ChromiumElement(DrissionElement):
             if (is_checked and uncheck) or (not is_checked and not uncheck):
                 self.click()
 
-    def parent(self, level_or_loc=1, index=1):
+    def parent(self, level_or_loc=1, index=1, timeout=0):
         """返回上面某一级父元素，可指定层数或用查询语法定位
         :param level_or_loc: 第几级父元素，1开始，或定位符
         :param index: 当level_or_loc传入定位符，使用此参数选择第几个结果，1开始
+        :param timeout: 查找超时时间（秒）
         :return: 上级元素对象
         """
-        return super().parent(level_or_loc, index)
+        return super().parent(level_or_loc, index, timeout=timeout)
 
     def child(self, locator='', index=1, timeout=None, ele_only=True):
         """返回当前元素的一个符合条件的直接子元素，可用查询语法筛选，可指定返回筛选结果的第几个
@@ -1041,10 +1042,11 @@ class ShadowRoot(BaseElement):
         Thread(target=run_js, args=(self, script, as_expr,
                                     self.owner.timeouts.script if timeout is None else timeout, args)).start()
 
-    def parent(self, level_or_loc=1, index=1):
+    def parent(self, level_or_loc=1, index=1, timeout=0):
         """返回上面某一级父元素，可指定层数或用查询语法定位
         :param level_or_loc: 第几级父元素，或定位符
         :param index: 当level_or_loc传入定位符，使用此参数选择第几个结果
+        :param timeout: 查找超时时间（秒）
         :return: ChromiumElement对象
         """
         if isinstance(level_or_loc, int):
@@ -1061,12 +1063,13 @@ class ShadowRoot(BaseElement):
         else:
             raise TypeError('level_or_loc参数只能是tuple、int或str。')
 
-        return self.parent_ele._ele(loc, timeout=0, relative=True, raise_err=False, method='parent()')
+        return self.parent_ele._ele(loc, timeout=timeout, relative=True, raise_err=False, method='parent()')
 
-    def child(self, locator='', index=1):
+    def child(self, locator='', index=1, timeout=None):
         """返回直接子元素元素或节点组成的列表，可用查询语法筛选
         :param locator: 用于筛选的查询语法
         :param index: 第几个查询结果，1开始
+        :param timeout: 查找超时时间（秒）
         :return: 直接子元素或节点文本组成的列表
         """
         if not locator:
@@ -1078,14 +1081,16 @@ class ShadowRoot(BaseElement):
             loc = loc[1].lstrip('./')
 
         loc = f'xpath:./{loc}'
-        ele = self._ele(loc, index=index, relative=True)
+        ele = self._ele(loc, index=index, relative=True, timeout=timeout)
 
-        return ele if ele else NoneElement(self.owner, 'child()', {'locator': locator, 'index': index})
+        return ele if ele else NoneElement(self.owner, 'child()',
+                                           {'locator': locator, 'index': index, 'timeout': timeout})
 
-    def next(self, locator='', index=1):
+    def next(self, locator='', index=1, timeout=None):
         """返回当前元素后面一个符合条件的同级元素，可用查询语法筛选，可指定返回筛选结果的第几个
         :param locator: 用于筛选的查询语法
         :param index: 第几个查询结果，1开始
+        :param timeout: 查找超时时间（秒）
         :return: ChromiumElement对象
         """
         loc = get_loc(locator, True)
@@ -1094,15 +1099,17 @@ class ShadowRoot(BaseElement):
 
         loc = loc[1].lstrip('./')
         xpath = f'xpath:./{loc}'
-        ele = self.parent_ele._ele(xpath, index=index, relative=True)
+        ele = self.parent_ele._ele(xpath, index=index, relative=True, timeout=timeout)
 
-        return ele if ele else NoneElement(self.owner, 'next()', {'locator': locator, 'index': index})
+        return ele if ele else NoneElement(self.owner, 'next()',
+                                           {'locator': locator, 'index': index, 'timeout': timeout})
 
-    def before(self, locator='', index=1):
+    def before(self, locator='', index=1, timeout=None):
         """返回文档中当前元素前面符合条件的一个元素，可用查询语法筛选，可指定返回筛选结果的第几个
         查找范围不限同级元素，而是整个DOM文档
         :param locator: 用于筛选的查询语法
         :param index: 前面第几个查询结果，1开始
+        :param timeout: 查找超时时间（秒）
         :return: 本元素前面的某个元素或节点
         """
         loc = get_loc(locator, True)
@@ -1111,23 +1118,27 @@ class ShadowRoot(BaseElement):
 
         loc = loc[1].lstrip('./')
         xpath = f'xpath:./preceding::{loc}'
-        ele = self.parent_ele._ele(xpath, index=index, relative=True)
+        ele = self.parent_ele._ele(xpath, index=index, relative=True, timeout=timeout)
 
-        return ele if ele else NoneElement(self.owner, 'before()', {'locator': locator, 'index': index})
+        return ele if ele else NoneElement(self.owner, 'before()',
+                                           {'locator': locator, 'index': index, 'timeout': timeout})
 
-    def after(self, locator='', index=1):
+    def after(self, locator='', index=1, timeout=None):
         """返回文档中此当前元素后面符合条件的一个元素，可用查询语法筛选，可指定返回筛选结果的第几个
         查找范围不限同级元素，而是整个DOM文档
         :param locator: 用于筛选的查询语法
         :param index: 后面第几个查询结果，1开始
+        :param timeout: 查找超时时间（秒）
         :return: 本元素后面的某个元素或节点
         """
-        nodes = self.afters(locator=locator)
-        return nodes[index - 1] if nodes else NoneElement(self.owner, 'after()', {'locator': locator, 'index': index})
+        nodes = self.afters(locator=locator, timeout=timeout)
+        return nodes[index - 1] if nodes else NoneElement(self.owner, 'after()',
+                                                          {'locator': locator, 'index': index, 'timeout': timeout})
 
-    def children(self, locator=''):
+    def children(self, locator='', timeout=None):
         """返回当前元素符合条件的直接子元素或节点组成的列表，可用查询语法筛选
         :param locator: 用于筛选的查询语法
+        :param timeout: 查找超时时间（秒）
         :return: 直接子元素或节点文本组成的列表
         """
         if not locator:
@@ -1139,11 +1150,12 @@ class ShadowRoot(BaseElement):
             loc = loc[1].lstrip('./')
 
         loc = f'xpath:./{loc}'
-        return self._ele(loc, index=None, relative=True)
+        return self._ele(loc, index=None, relative=True, timeout=timeout)
 
-    def nexts(self, locator=''):
+    def nexts(self, locator='', timeout=None):
         """返回当前元素后面符合条件的同级元素或节点组成的列表，可用查询语法筛选
         :param locator: 用于筛选的查询语法
+        :param timeout: 查找超时时间（秒）
         :return: ChromiumElement对象组成的列表
         """
         loc = get_loc(locator, True)
@@ -1152,12 +1164,13 @@ class ShadowRoot(BaseElement):
 
         loc = loc[1].lstrip('./')
         xpath = f'xpath:./{loc}'
-        return self.parent_ele._ele(xpath, index=None, relative=True)
+        return self.parent_ele._ele(xpath, index=None, relative=True, timeout=timeout)
 
-    def befores(self, locator=''):
+    def befores(self, locator='', timeout=None):
         """返回文档中当前元素前面符合条件的元素或节点组成的列表，可用查询语法筛选
         查找范围不限同级元素，而是整个DOM文档
         :param locator: 用于筛选的查询语法
+        :param timeout: 查找超时时间（秒）
         :return: 本元素前面的元素或节点组成的列表
         """
         loc = get_loc(locator, True)
@@ -1166,18 +1179,19 @@ class ShadowRoot(BaseElement):
 
         loc = loc[1].lstrip('./')
         xpath = f'xpath:./preceding::{loc}'
-        return self.parent_ele._ele(xpath, index=None, relative=True)
+        return self.parent_ele._ele(xpath, index=None, relative=True, timeout=timeout)
 
-    def afters(self, locator=''):
+    def afters(self, locator='', timeout=None):
         """返回文档中当前元素后面符合条件的元素或节点组成的列表，可用查询语法筛选
         查找范围不限同级元素，而是整个DOM文档
         :param locator: 用于筛选的查询语法
+        :param timeout: 查找超时时间（秒）
         :return: 本元素后面的元素或节点组成的列表
         """
         eles1 = self.nexts(locator)
         loc = get_loc(locator, True)[1].lstrip('./')
         xpath = f'xpath:./following::{loc}'
-        return eles1 + self.parent_ele._ele(xpath, index=None, relative=True)
+        return eles1 + self.parent_ele._ele(xpath, index=None, relative=True, timeout=timeout)
 
     def ele(self, locator, index=1, timeout=None):
         """返回当前元素下级符合条件的一个元素
@@ -1251,7 +1265,10 @@ class ShadowRoot(BaseElement):
                 css = []
                 for i in eles:
                     c = i.css_path
-                    if c.startswith('html:nth-child(1)>body:nth-child(1)>shadow_root:nth-child(1)'):
+                    if c in ('html:nth-child(1)', 'html:nth-child(1)>body:nth-child(1)',
+                             'html:nth-child(1)>body:nth-child(1)>shadow_root:nth-child(1)'):
+                        continue
+                    elif c.startswith('html:nth-child(1)>body:nth-child(1)>shadow_root:nth-child(1)'):
                         c = c[61:]
                     css.append(c)
                 if index is not None:
@@ -1265,7 +1282,8 @@ class ShadowRoot(BaseElement):
                 else:
                     node_ids = [self.owner._run_cdp('DOM.querySelector', nodeId=self._node_id, selector=i)['nodeId']
                                 for i in css]
-                    if 0 in node_ids:
+                    node_ids = [i for i in node_ids if i]
+                    if not node_ids:
                         return None
                     r = make_chromium_eles(self.owner, _ids=node_ids, index=index, is_obj_id=False)
                     return None if r is False else r
@@ -1476,6 +1494,8 @@ def make_chromium_eles(page, _ids, index=1, is_obj_id=True, ele_only=False):
     else:  # 获取全部
         nodes = ChromiumElementsList(page=page)
         for obj_id in _ids:
+            # if obj_id == 0:
+            #     continue
             tmp = get_node_func(page, obj_id, ele_only)
             if tmp is False:
                 return False
diff --git a/DrissionPage/_elements/chromium_element.pyi b/DrissionPage/_elements/chromium_element.pyi
index c04e13d..1af2011 100644
--- a/DrissionPage/_elements/chromium_element.pyi
+++ b/DrissionPage/_elements/chromium_element.pyi
@@ -101,7 +101,8 @@ class ChromiumElement(DrissionElement):
 
     def parent(self,
                level_or_loc: Union[tuple, str, int] = 1,
-               index: int = 1) -> ChromiumElement: ...
+               index: int = 1,
+               timeout: float = 0) -> ChromiumElement: ...
 
     def child(self,
               locator: Union[Tuple[str, str], str, int] = '',
@@ -309,31 +310,31 @@ class ShadowRoot(BaseElement):
 
     def run_async_js(self, script: str, *args, as_expr: bool = False, timeout: float = None) -> None: ...
 
-    def parent(self, level_or_loc: Union[str, int] = 1, index: int = 1) -> ChromiumElement: ...
+    def parent(self, level_or_loc: Union[str, int] = 1, index: int = 1, timeout: float = 0) -> ChromiumElement: ...
 
     def child(self,
               locator: Union[Tuple[str, str], str] = '',
-              index: int = 1) -> ChromiumElement: ...
+              index: int = 1, timeout:float=None) -> ChromiumElement: ...
 
     def next(self,
              locator: Union[Tuple[str, str], str] = '',
-             index: int = 1) -> ChromiumElement: ...
+             index: int = 1, timeout:float=None) -> ChromiumElement: ...
 
     def before(self,
                locator: Union[Tuple[str, str], str] = '',
-               index: int = 1) -> ChromiumElement: ...
+               index: int = 1, timeout:float=None) -> ChromiumElement: ...
 
     def after(self,
               locator: Union[Tuple[str, str], str] = '',
-              index: int = 1) -> ChromiumElement: ...
+              index: int = 1, timeout:float=None) -> ChromiumElement: ...
 
-    def children(self, locator: Union[Tuple[str, str], str] = '') -> List[ChromiumElement]: ...
+    def children(self, locator: Union[Tuple[str, str], str] = '', timeout:float=None) -> List[ChromiumElement]: ...
 
-    def nexts(self, locator: Union[Tuple[str, str], str] = '') -> List[ChromiumElement]: ...
+    def nexts(self, locator: Union[Tuple[str, str], str] = '', timeout:float=None) -> List[ChromiumElement]: ...
 
-    def befores(self, locator: Union[Tuple[str, str], str] = '') -> List[ChromiumElement]: ...
+    def befores(self, locator: Union[Tuple[str, str], str] = '', timeout:float=None) -> List[ChromiumElement]: ...
 
-    def afters(self, locator: Union[Tuple[str, str], str] = '') -> List[ChromiumElement]: ...
+    def afters(self, locator: Union[Tuple[str, str], str] = '', timeout:float=None) -> List[ChromiumElement]: ...
 
     def ele(self,
             locator: Union[Tuple[str, str], str],
diff --git a/DrissionPage/_functions/elements.py b/DrissionPage/_functions/elements.py
index c91abfe..2a459b4 100644
--- a/DrissionPage/_functions/elements.py
+++ b/DrissionPage/_functions/elements.py
@@ -170,6 +170,7 @@ class SessionFilter(SessionFilterOne):
         """
         self._list = _text_all(self._list, SessionElementsList(page=self._list._page),
                                text=text, fuzzy=fuzzy, contain=contain)
+        return self
 
     def _get_attr(self, name, value, method, equal=True):
         """返回通过某个方法可获得某个值的元素
diff --git a/DrissionPage/_functions/tools.py b/DrissionPage/_functions/tools.py
index 29ffb9e..ed97953 100644
--- a/DrissionPage/_functions/tools.py
+++ b/DrissionPage/_functions/tools.py
@@ -226,6 +226,8 @@ def raise_error(result, ignore=None, user=False):
         r = StorageError()
     elif error == 'Sanitizing cookie failed':
         r = CookieFormatError(f'cookie格式不正确：{result["args"]}')
+    elif error == 'Invalid header name':
+        r = ValueError(f'header名不正确。\n参数：{result["args"]["headers"]}')
     elif error == 'Given expression does not evaluate to a function':
         r = JavaScriptError(f'传入的js无法解析成函数：\n{result["args"]["functionDeclaration"]}')
     elif error.endswith("' wasn't found"):
diff --git a/DrissionPage/_functions/web.py b/DrissionPage/_functions/web.py
index ccbc84c..98cd105 100644
--- a/DrissionPage/_functions/web.py
+++ b/DrissionPage/_functions/web.py
@@ -372,11 +372,15 @@ def format_headers(txt):
     """
     if isinstance(txt, (dict, CaseInsensitiveDict)):
         for k, v in txt.items():
-            txt[k] = str(v)
+            if k in (':method', ':scheme', ':authority', ':path'):
+                txt.pop(k)
+            else:
+                txt[k] = str(v)
         return txt
     headers = {}
     for header in txt.split('\n'):
         if header:
             name, value = header.split(': ', maxsplit=1)
-            headers[name] = value
+            if name not in (':method', ':scheme', ':authority', ':path'):
+                headers[name] = value
     return headers
diff --git a/DrissionPage/_pages/chromium_frame.py b/DrissionPage/_pages/chromium_frame.py
index 2f30aff..62264bd 100644
--- a/DrissionPage/_pages/chromium_frame.py
+++ b/DrissionPage/_pages/chromium_frame.py
@@ -10,6 +10,7 @@ from re import search, findall, DOTALL
 from time import sleep, perf_counter
 
 from .._elements.chromium_element import ChromiumElement
+from .._functions.settings import Settings
 from .._pages.chromium_base import ChromiumBase
 from .._units.listener import FrameListener
 from .._units.rect import FrameRect
@@ -21,6 +22,24 @@ from ..errors import ContextLostError, ElementLostError, PageDisconnectedError,
 
 
 class ChromiumFrame(ChromiumBase):
+    _Frames = {}
+
+    def __new__(cls, owner, ele, info=None):
+        """
+        :param owner: frame所在的页面对象
+        :param ele: frame所在元素
+        :param info: frame所在元素信息
+        """
+        node = info['node'] if info else owner._run_cdp('DOM.describeNode', backendNodeId=ele._backend_id)['node']
+        if Settings.singleton_tab_obj and node['frameId'] in cls._Frames:
+            r = cls._Frames[node['frameId']]
+            while not hasattr(r, '_frame_id'):
+                sleep(.1)
+            return r
+        r = object.__new__(cls)
+        cls._Frames[node['frameId']] = r
+        return r
+
     def __init__(self, owner, ele, info=None):
         """
         :param owner: frame所在的页面对象
@@ -33,7 +52,7 @@ class ChromiumFrame(ChromiumBase):
         self._frame_ele = ele
         self._reloading = False
 
-        node = info['node'] if not info else owner._run_cdp('DOM.describeNode', backendNodeId=ele._backend_id)['node']
+        node = info['node'] if info else owner._run_cdp('DOM.describeNode', backendNodeId=ele._backend_id)['node']
         self._frame_id = node['frameId']
         if self._is_inner_frame():
             self._is_diff_domain = False
@@ -385,10 +404,11 @@ class ChromiumFrame(ChromiumBase):
         else:
             return self.doc_ele._run_js(script, *args, as_expr=as_expr, timeout=timeout)
 
-    def parent(self, level_or_loc=1, index=1):
+    def parent(self, level_or_loc=1, index=1, timeout=0):
         """返回上面某一级父元素，可指定层数或用查询语法定位
         :param level_or_loc: 第几级父元素，1开始，或定位符
         :param index: 当level_or_loc传入定位符，使用此参数选择第几个结果，1开始
+        :param timeout: 查找超时时间（秒）
         :return: 上级元素对象
         """
         return self.frame_ele.parent(level_or_loc, index)
diff --git a/DrissionPage/_pages/chromium_frame.pyi b/DrissionPage/_pages/chromium_frame.pyi
index 54e3594..76b9bce 100644
--- a/DrissionPage/_pages/chromium_frame.pyi
+++ b/DrissionPage/_pages/chromium_frame.pyi
@@ -21,6 +21,7 @@ from .._units.waiter import FrameWaiter
 
 
 class ChromiumFrame(ChromiumBase):
+    _Frames: dict = ...
 
     def __init__(self,
                  owner: Union[ChromiumTab, ChromiumFrame],
@@ -156,7 +157,8 @@ class ChromiumFrame(ChromiumBase):
 
     def parent(self,
                level_or_loc: Union[Tuple[str, str], str, int] = 1,
-               index: int = 1) -> ChromiumElement: ...
+               index: int = 1,
+               timeout: float = 0) -> ChromiumElement: ...
 
     def prev(self,
              locator: Union[Tuple[str, str], str, int] = '',
diff --git a/DrissionPage/_units/setter.py b/DrissionPage/_units/setter.py
index eea1870..1c46abd 100644
--- a/DrissionPage/_units/setter.py
+++ b/DrissionPage/_units/setter.py
@@ -770,6 +770,7 @@ class WindowSetter(object):
                 return self._owner._run_cdp('Browser.getWindowForTarget')
             except:
                 sleep(.1)
+        raise RuntimeError('获取窗口信息失败。')
 
     def _perform(self, bounds):
         """执行改变窗口大小操作